/Engine/Source/Editor/SceneOutliner/Public/ActorMode.h
bool operator() ( const [TWeakPtr](API\Runtime\Core\Templates\TWeakPtr)< [ISceneOutlinerTreeItem](API\Editor\SceneOutliner\ISceneOutlinerTreeItem) > & Item, [FWorldPartitionActorDesc](API\Runtime\Engine\WorldPartition\FWorldPartitionActorDesc) *& ActorDescPtrOut ) const